Engine Number/Engine Characteristics

Engine Number 

• The engine number ("engine codes" and "serial number") are located on the front of the engine/transmission joint -arrow-. Refer to appropriate service information.
  Fig 1: Identifying Front Of Engine/Transmission Joint

  Courtesy of AUDI OF AMERICA, LLC
• In addition, a sticker with "engine codes" and "serial number" is affixed to the upper toothed belt guard.
• Engine codes beginning with "C" are four-digit.
• The first three digits of the engine code stand for displacement and the mechanical structure of the engine. They are stamped in the cylinder block, including the serial number.
• The fourth position represents the engine output and torque and is dependent on the engine control module.
• The four digit engine code is on the type plate (market-specific), vehicle data label and engine control module.
• Component locations for the type plate (market-specific version) and vehicle data label. Refer to appropriate service information.

Engine Specifications. Refer to appropriate service information. .